constants-ppc.cc

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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#if V8_TARGET_ARCH_PPC64
 
#include "src/codegen/ppc/constants-ppc.h"
 
#include "src/common/code-memory-access-inl.h"
 
namespace v8 {
namespace internal {
 
void Instruction::SetInstructionBits(Instr value,
                                     WritableJitAllocation* jit_allocation) {
  if (jit_allocation) {
    jit_allocation->WriteUnalignedValue(reinterpret_cast<Address>(this), value);
  } else {
    *reinterpret_cast<Instr*>(this) = value;
  }
}
 
// These register names are defined in a way to match the native disassembler
// formatting. See for example the command "objdump -d <binary file>".
const char* Registers::names_[kNumRegisters] = {
    "r0",  "sp",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",  "r8",  "r9",  "r10",
    "r11", "ip",  "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21",
    "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "fp"};
 
const char* DoubleRegisters::names_[kNumDoubleRegisters] = {
    "d0",  "d1",  "d2",  "d3",  "d4",  "d5",  "d6",  "d7",  "d8",  "d9",  "d10",
    "d11", "d12", "d13", "d14", "d15", "d16", "d17", "d18", "d19", "d20", "d21",
    "d22", "d23", "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31"};
 
int DoubleRegisters::Number(const char* name) {
  for (int i = 0; i < kNumDoubleRegisters; i++) {
    if (strcmp(names_[i], name) == 0) {
      return i;
    }
  }
 
  // No register with the requested name found.
  return kNoRegister;
}
 
int Registers::Number(const char* name) {
  // Look through the canonical names.
  for (int i = 0; i < kNumRegisters; i++) {
    if (strcmp(names_[i], name) == 0) {
      return i;
    }
  }
 
  // No register with the requested name found.
  return kNoRegister;
}
}  // namespace internal
}  // namespace v8
 
#endif  // V8_TARGET_ARCH_PPC64